/*
 * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */
package org.mule.runtime.config.spring.parsers.generic;

import org.mule.runtime.config.spring.parsers.assembly.BeanAssembler;

import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;

/**
 * Behaves as {@link org.mule.runtime.config.spring.parsers.generic.ParentDefinitionParser}, but allows any named bean to be the
 * parent, rather than using the enclosing element in the DOM tree.
 */
public class NamedDefinitionParser extends ParentDefinitionParser {

  private String name;
  private boolean isDynamic = false;

  public NamedDefinitionParser() {
    isDynamic = true;
  }

  public NamedDefinitionParser(String name) {
    addIgnored(ATTRIBUTE_NAME);
    this.name = name;
  }

  public String getName() {
    return name;
  }

  public void setName(String name) {
    this.name = name;
  }

  protected String getParentBeanName(Element element) {
    return name;
  }

  protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
    if (isDynamic) {
      if (element.hasAttribute(ATTRIBUTE_NAME)) {
        setName(element.getAttribute(ATTRIBUTE_NAME));
        element.removeAttribute(ATTRIBUTE_NAME);
      } else {
        throw new IllegalStateException("Missing name attribute for " + element.getLocalName());
      }
    }
    return super.parseInternal(element, parserContext);
  }

  protected void postProcess(ParserContext context, BeanAssembler assembler, Element element) {
    super.postProcess(context, assembler, element);
    // may be used as top level element, so set ID from name
    AutoIdUtils.ensureUniqueId(element, "named");
  }
}
